Now while he was not yet gone back - Most modern commentators render “And as he yet answered nothing, Return then, he said, to Gedaliah ...”
Victuals - A ration of food.
A reward - A present.
Related Commentaries of Jeremiah 40:5
Jeremiah 40:5
5 Now while he was not yet gone back, he said, Go back also to Gedaliah the son of Ahikam the son of Shaphan, whom the king of Babylon hath made governor over the cities of Judah, and dwell with him among the people: or go wheresoever it seemeth convenient unto thee to go. So the captain of the guard gave him victuals and a reward, and let him go.